Definify.com
Webster 1913 Edition
Chief justice
Chief′ jus′tice
.The presiding justice, or principal judge, of a court.
Lord Chief Justice of England
, The presiding judge of the Queen’s Bench Division of the High Court of Justice. The highest judicial officer of the realm is the Lord High Chancellor.
– Chief Justice of the United States
, the presiding judge of the Supreme Court, and Highest judicial officer of the republic.